PTRM V89004, Doaks Butte: Late/Upper Maastrichtian, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli
Caudata indet. Scopoli 1777
5 specimens
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
8 specimens
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
24 specimens
Reptilia
Thescelosaurus neglectus Gilmore 1913
12 specimens
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
62 specimens
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
5 specimens
Reptilia
Paronychodon lacustris Cope 1876
14 specimens
nomen dubium belonging to Paronychodon
Reptilia - Troodontidae
Troodon sp. Leidy 1856
2 specimens
Reptilia - Dromaeosauridae
Saurornitholestes sp. Sues 1978
10 specimens
Richardoestesia isosceles Sankey 2001
10 specimens
Reptilia - Hesperornithiformes
Hesperornithiformes indet. Fürbringer 1888
1 specimen
Reptilia - Caenagnathidae
Caenagnathidae indet. Sternberg 1940
1 specimen
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
17 specimens
Reptilia
Brachychampsa montana Gilmore 1911
15 specimens
Thoracosaurus neocesariensis (De Kay 1842)
5 specimens
Leidyosuchus sternbergi (Gilmore 1910)
114 specimens
recombined as Borealosuchus sternbergii
Champsosaurus sp. Cope 1876
44 specimens
Lepidosauria indet. (Haeckel 1866)
3 specimens
Reptilia - Testudines
Helopanoplia distincta Hay 1908
1 specimen
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
1 specimen
Reptilia - Testudines - Chelydridae
Chelydridae indet. Swainson 1839
1 specimen
Reptilia - Testudines - Nanhsiungchelyidae
Basilemys sinuosa Riggs 1906
1 specimen
Reptilia
Compsemys victa (Leidy 1856)
1 specimen
Reptilia - Baenidae
Baenidae indet. Cope 1882
1 specimen
Boremys sp. Lambe 1906
Lyson et al. 2011 4 specimens
PTRM 2944, neural 7?; PTRM 9406, neural fragment; PTRM 9800, costal 6? fragment; and PTRM 16155, costal fragment
Plesiobaena antiqua (Lambe 1902)
1 specimen
Mammalia
Mammalia indet. (Linnaeus 1758)
2 specimens
Mammalia - Multituberculata
? Multituberculata indet. Cope 1884
1 specimen
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882
2 specimens
? Meniscoessus sp. Cope 1882
1 specimen
Meniscoessus robustus (Marsh 1889)
1 specimen
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma thompsoni Clemens 1964
1 specimen
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
1 specimen
Mammalia
Theria indet. Parker and Haswell 1897
2 specimens
Mammalia - Stagodontidae
Didelphodon vorax Marsh 1889
1 specimen
Mammalia - Pediomyidae
Pediomys florencae Clemens 1966
1 specimen
recombined as Protolambda florencae
Mammalia - Alphadontidae
Alphadon marshi Simpson 1927
1 specimen
Mammalia
Marsupialia indet. Illiger 1811
1 specimen
Acipenseriformes - Acipenseridae
cf. Acipenser sp. Linnaeus 1758
6 specimens
listed as cf. "Acipenser"
Actinopteri - Aspidorhynchiformes - Aspidorhynchidae
Belonostomus longirostris (Lambe 1902)
5 specimens
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
151 specimens
recombined as Cyclurus fragosus
Melvius thomasi Bryant 1987
5 specimens
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis (Leidy 1856)
82 specimens
original and current combination Lepidotus occidentalis
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
355 specimens
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
2 specimens
original and current combination Lonchidion selachos
see common names

Geography
Country:United States State/province:North Dakota County:Bowman
Coordinates: 45.9° North, 104.0° West (view map)
Paleocoordinates:52.2° North, 77.5° West
Basis of coordinate:estimated from map
Altitude:891 meters
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Hell Creek
Local section:Doaks Butte Local bed:81.68 m
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: datum -81.68, K-T section 9906
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:"channel"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:45099
Authorizer:M. Carrano, R. Benson Enterer:M. Carrano, R. Benson
Modifier:G. Varnham Research group:vertebrate
Created:2004-10-06 06:57:25 Last modified:2022-02-01 07:47:08
Access level:the public Released:2004-10-06 06:57:25
Creative Commons license:CC BY
Reference information

Primary reference:
11749.ETE D. A. Pearson, T. Schaefer, K. R. Johnson, D. J. Nichols, and J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. In J. H. Hartman, J. R. Johnson, and D. J. Nichols (eds.), The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

41937 T. R. Lyson, W. G. Joyce, G. E. Knauss and D. A. Pearson. 2011. Boremys (Testudines, Baenidae) from the latest Cretaceous and early Paleocene of North Dakota: an 11 million year range extension and an additional K/T survivor. Journal of Vertebrate Paleontology 31(4):729-737 [R. Benson/R. Benson]